• 2 Biology
• 2 Computer science
• 2 Defenses
• 2 Engineering
• 2 Environmental sciences
• 2 Medicine
• 2 Physical sciences
• 2 Renewable energy sources
• 2 Research
• 2 United States. Department of Energy
• 2 United States. Department of Energy. Office of Scientific and Technical Information
• 1 Energy policy
• 1 Research grants
• 1 Scholarly publishing
• 1 Security classification (Government documents)

• 3 United States. Department of Energy. Office of Scientific and Technical Information
• 1 United States. Department of Energy
• 1 United States. Department of Energy. Office of Classification

• 4 English

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